#include<iostream>
using namespace std;
const double EPS=0.001;
double Sqrt(double a)
{
	double x=a/2,lastX=x+1+EPS;
	while(x-lastX>EPS||lastX-x>EPS){
		lastX=x;
		x=(x+a/x)/2;
	}
	return x;
}
double Distance(double x1,double y1,double x2,double y2)
{
	return Sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));
}
int main()
{
	int x1,y1,x2,y2,x3,y3;
	cin>>x1>>y1>>x2>>y2>>x3>>y3;
	cout<<Distance(x1,y1,x2,y2)<<endl;
	cout<<Distance(x1,y1,x3,y3)<<endl;
	cout<<Distance(x3,y3,x2,y2)<<endl;
	return 0;
}